Legal and environmental concerns related to Indian law and tribal lands remain an understudied branch of both indigenous law and environmental law. Native American tribes have a far more complex relationship with the environment than is captured by the stereotype of Indians as environmental stewards. Meaningful tribal sovereignty requires that non-Indians recognize the right of Indians to determine their own relationship to the land and the environment. But tribes do not exist in a vacuum: in fact they are deeply affected by off-reservation activities and, similarly, tribal choices often have...